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NN - Public Domain
John Smith Godfrey Kneller - Public Domain
Angus Trumble - Public Domain
French school of the 18th century - Public Domain
unknown, but again, he died in 1888 so must be PD wherever it was taken - Public Domain
Library of the London School of Economics and Political Science -
Alison - CC BY-SA 3.0
unknown - Public Domain
Heinrich Riedel - Public Domain
Lloyd does not specify the photographer. - Public Domain
Mathew Brady - Public Domain
Shakko - CC BY-SA 3.0
Public Domain
Alan Light - CC BY 2.0
The National Archives UK -
D. Hamilton Hurd, author. J. W. Lewis & Co. (Philadelphia, PA), publisher. - Public Domain
Valerian Gribayedoff - Public Domain
Smithsonian Institution -
Kurt Jansson - CC BY-SA 3.0
Word Records - Public Domain
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NN - Public Domain
Delius, Nikolaus, 1813-1888
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John Smith Godfrey Kneller - Public Domain
Tompion, Thomas, 1639-1713
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Angus Trumble - Public Domain
Lyttelton, William Henry Lyttelton, 3rd Baron
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French school of the 18th century - Public Domain
Berthier, Jean-Baptiste 1721-1804
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Nees von Esenbeck, C. G. (Christian Gottfried), 1776-1858
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Grafton, Charles Fitzroy, Duke of, 1683-1757
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unknown, but again, he died in 1888 so must be PD wherever it was taken - Public Domain
Alkan, Charles-Valentin
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Library of the London School of Economics and Political Science -
Binmore, K. G., 1940-
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Alison - CC BY-SA 3.0
Hayes, Bill, 1925-
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Duer, William Alexander, 1780-1858
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unknown - Public Domain
Nemirovich-Danchenko, Vasiliĭ Ivanovich, 1848-1936
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Heinrich Riedel - Public Domain
Loorits, Oskar, 1900-
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Mueller, Ferdinand von 1825-1896
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Lloyd does not specify the photographer. - Public Domain
Thaxter, Roland, 1858-1932
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Mathew Brady - Public Domain
Iverson, Alfred, 1798-1873
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Shakko - CC BY-SA 3.0
Ivan IV, Czar of Russia, 1530-1584
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Michaelis, Frederick H. (Frederick Hayes), 1917-1992
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Kaldor, Nicholas, 1908-1986
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Hörl, Ottmar 1950-...
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Récamier, Jeanne Françoise Julie Adélaïde Bernard, 1777-1849
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Public Domain
Johansson, C. E. (Carl Edvard), 1864-1943
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Alan Light - CC BY 2.0
White, Mel, 1940-....
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The National Archives UK -
Twining, Edward Francis Twining, Baron, 1899-1967
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D. Hamilton Hurd, author. J. W. Lewis & Co. (Philadelphia, PA), publisher. - Public Domain
Wentworth, Tappan, 1802-1875
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Valerian Gribayedoff - Public Domain
Loomis, Alfred L. (Alfred Lebbeus), 1831-1895
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Hanson, Lars, 1887-1965
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Stocqueler, J.H. (Joachim Hayward), 1800-1885
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Smithsonian Institution -
Zorach, Marguerite, 1887-1968
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Kurt Jansson - CC BY-SA 3.0
Prewitt, Archer
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Word Records - Public Domain
Bryant, Anita, 1940-